Raytheon · Electronic Components
20428
Ammeter — Test Instruments
Part Number20428
ManufacturerRaytheon
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-519-2047 (NSN)
Federal Item NameAMMETER
Federal Supply Class6625 — Test Instruments
Accuracy In Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING IRON VANE
Measurement Range+0.0 TO 20.0 MILLIAMPERES, DC SINGLE INDICATOR SECOND RANGE
Scale Division Quantity30 SINGLE INDICATOR SECOND RANGE
ColorUNABLE TO DECODE
Installation DesignPANEL
Overall Diameter2.690 INCHES NOMINAL
Circuit Attachment Method And Quan2 THREADED STUD
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Mounting Bolt Circle Diameter2.430 INCHES NOMINAL
Style DesignatorROUND FLUSH MTG
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is 20428 available?
We can source 20428 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is 20428 by Raytheon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 20428 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like 20428?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for 20428?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.